Terminal device and controlling method thereof
US11470098B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2020 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Apr 24, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/37
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a terminal device. The terminal device includes: a communication interface comprising communication circuitry, a memory configured to store at least one command, and a processor, connected to the communication interface and the memory and configured to control the terminal device, the processor, by executing the at least one command, is further configured to: based on receiving, from an external server, sequence information of a plurality of attack words and a system call pattern associated with the sequence information, store the received sequence information and the received system call pattern in the memory, compare a system call command sequentially generated in the terminal device with the stored sequence information and the stored system call pattern, perform a security operation based on the comparison, and the sequence information of the plurality of attack words and the system call pattern associated with the sequence information may be generated by an external server, based on each of the plurality of attack words being identified from target information as occurring by a predetermined number or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.